Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and due from banks	$ 186,116	$ 193,038
Interest-earning deposits with banks	136,578	31,200
Total cash and cash equivalents	322,694	224,238
Securities available for sale at fair value (amortized cost of $2,215,335 and $2,299,037, respectively)	2,207,873	2,278,577
Federal Home Loan Bank stock at cost	10,240	10,240
Loans held for sale	7,802	5,846
Loans, net of unearned income of ($29,229) and ($33,718), respectively	6,512,006	6,213,423
Less: allowance for loan and lease losses	71,616	70,043
Loans, net	6,440,390	6,143,380
FDIC loss-sharing asset	0	3,535
Interest receivable	36,163	30,074
Premises and equipment, net	143,351	150,342
Other real estate owned	3,682	5,998
Goodwill	382,762	382,762
Other intangible assets, net	13,845	17,631
Other assets	245,776	256,984
Total assets	9,814,578	9,509,607
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing	4,119,950	3,944,495
Interest-bearing	4,221,767	4,114,920
Total deposits	8,341,717	8,059,415
Federal Home Loan Bank advances	6,465	6,493
Securities sold under agreements to repurchase	40,933	80,822
Other liabilities	97,035	111,865
Total liabilities	8,486,150	8,258,595
Commitments and contingent liabilities (Note 10)
Shareholders' equity:
Preferred Stock, Shares Authorized	2,000	2,000
Preferred Stock, Shares Issued	0	9
Preferred Stock, Value, Issued	$ 0	$ 2,217
Authorized shares	115,000	115,000
Common Stock Shares Issued And Outstanding	58,376	58,042
Common Stock (no par value)	$ 1,003,887	$ 995,837
Retained earnings	330,474	271,957
Accumulated other comprehensive loss	(5,933)	(18,999)
Total shareholders’ equity	1,328,428	1,251,012
Total liabilities and shareholders’ equity	$ 9,814,578	$ 9,509,607